4280823 has 16 divisors (see below), whose sum is σ = 6374400. Its totient is φ = 2839320.

The previous prime is 4280767. The next prime is 4280827. The reversal of 4280823 is 3280824.

It is not a de Polignac number, because 4280823 - 2²⁰ = 3232247 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4280827) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8698 + ... + 9176.

It is an arithmetic number, because the mean of its divisors is an integer number (398400).

Almost surely, 2^4280823 is an apocalyptic number.

4280823 is a deficient number, since it is larger than the sum of its proper divisors (2093577).

4280823 is a wasteful number, since it uses less digits than its factorization.

4280823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 819 (or 813 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 4280823 is about 2069.0149830294. The cubic root of 4280823 is about 162.3712336917.

Subtracting from 4280823 its reverse (3280824), we obtain a palindrome (999999).

The spelling of 4280823 in words is "four million, two hundred eighty thousand, eight hundred twenty-three".